Fig. 4From: Sustainable solidification of ferrochrome slag through geopolymerisation: a look at the effect of curing time, type of activator and liquid solid ratioSEM micrographs of FeCr slag (a), GP0 (b), GPS1 (c) and GPA2 (d) (L/S 0.26, KOH 10 M, curing at ambient temperature, curing time 28 d)Back to article page